From 2a2271fa0f60279a94c0218026cd296fe5b4aee1 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 24 Nov 2024 01:45:31 +0000
Subject: Surface walk to set face surface property

---
 game/geoData.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'game')

diff --git a/game/geoData.cpp b/game/geoData.cpp
index cc9a056..cd0be29 100644
--- a/game/geoData.cpp
+++ b/game/geoData.cpp
@@ -545,5 +545,19 @@ GeoData::setHeights(const std::span<const GlobalPosition3D> triangleStrip, const
 		}
 		done.insert(heh);
 	}
+
+	auto surfaceStripWalk = [this, &getTriangle, &opts](const auto & surfaceStripWalk, const auto & face) -> void {
+		if (!property(surface, face)) {
+			property(surface, face) = &opts.surface;
+			std::ranges::for_each(
+					ff_range(face), [this, &getTriangle, &surfaceStripWalk](const auto & adjacentFaceHandle) {
+						if (getTriangle(this->triangle<2>(adjacentFaceHandle).centroid())) {
+							surfaceStripWalk(surfaceStripWalk, adjacentFaceHandle);
+						}
+					});
+		}
+	};
+	surfaceStripWalk(surfaceStripWalk, findPoint(strip.front().centroid()));
+
 	update_vertex_normals_only(VertexIter {*this, vertex_handle(initialVertexCount), true});
 }
-- 
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